LIGHT CLASS 4

WHICH IS AN ARTIFICAL SOURCE OF LIGHT?

• SUN

• ELECTRIC BULB

• STAR

• PLANETS

LIGHT TRAVELS IN A _____________ LINE

OBJECTS THAT DO NOT PRODOUCE THEIR LIGHT ARE CALLED _______________

MARK THE TRANSPARENT OBJECTS--

• THIN PLASTIC

• CLEAR WINDOW PANE

• BOTH OF THESE

• NONE OF THESE

MARK THE TRANSLUCENT OBJECTS--

• tinted car windows

• 5 pieces of tissue paper

• SPECTACLES

• NONE OF THESE

WE ARE ABLE TO SEE THINGS BECAUSE OF____

• TIME

• GRAVITY

• ENERGY

• LIGHT

SUBSTANCES THAT DO NOT ALLOW LIGHT TO PASS THROUGH THEM ARE CALLED ______

A_________ is formed when the path of light is blocked